An Experimental Study of Radiated Energy from an Optical Fiber and the Potential for an Optical MIMO System

Leaky feeders provide seamless and uniform signal coverage in confined spaces like tunnels, mines, and buildings. Their easy scalability and integration with modern systems, like Multiple Input Multiple Output (MIMO), make them ideal for environments requiring reliable and consistent connectivity. H...

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Main Authors: Hasan Farahneh, Jamal S. Rahhal, Dia I. Abualnadi, Ibrahim Mansour, Ahmad K. Atieh, Xavier Fernando
Format: Article
Language:English
Published: MDPI AG 2025-03-01
Series:Applied Sciences
Subjects:
Online Access:https://www.mdpi.com/2076-3417/15/6/2916
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author Hasan Farahneh
Jamal S. Rahhal
Dia I. Abualnadi
Ibrahim Mansour
Ahmad K. Atieh
Xavier Fernando
author_facet Hasan Farahneh
Jamal S. Rahhal
Dia I. Abualnadi
Ibrahim Mansour
Ahmad K. Atieh
Xavier Fernando
author_sort Hasan Farahneh
collection DOAJ
description Leaky feeders provide seamless and uniform signal coverage in confined spaces like tunnels, mines, and buildings. Their easy scalability and integration with modern systems, like Multiple Input Multiple Output (MIMO), make them ideal for environments requiring reliable and consistent connectivity. However, using optical fiber as a radiating cable has never been investigated before. This may seem infeasible at first sight. However, our experimental study shows otherwise. We measured light leaking from a bent optical fiber transmitter. We also derived closed-form formulas to describe the amount of leakage energy and found that this energy exponentially varies with the square of the curvature radius. This allows us to design an Optical Leaky Feeder (OLF) transmission system for the first time. Then, we analytically show that a slotted optical fiber can be used as a MIMO receiver. The proposed system can ensure reliable, high-quality signal distribution even in challenging environments like tunnels, industrial settings, and dense urban areas.
format Article
id doaj-art-2679e33a5b6446feb6b5ca2e821566e1
institution DOAJ
issn 2076-3417
language English
publishDate 2025-03-01
publisher MDPI AG
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series Applied Sciences
spelling doaj-art-2679e33a5b6446feb6b5ca2e821566e12025-08-20T02:42:38ZengMDPI AGApplied Sciences2076-34172025-03-01156291610.3390/app15062916An Experimental Study of Radiated Energy from an Optical Fiber and the Potential for an Optical MIMO SystemHasan Farahneh0Jamal S. Rahhal1Dia I. Abualnadi2Ibrahim Mansour3Ahmad K. Atieh4Xavier Fernando5Department of Electrical Engineering, The University of Jordan, Amman 11942, JordanDepartment of Electrical Engineering, The University of Jordan, Amman 11942, JordanDepartment of Electrical Engineering, The University of Jordan, Amman 11942, JordanElectrical Engineering Department, Zarqa University, Zarqa 13110, JordanOptiwave Systems Inc., Nepean, ON K2E 8A7, CanadaDepartment of Electrical and Computer Engineering, Toronto Metropolitan University, Toronto, ON M5B 2K3, CanadaLeaky feeders provide seamless and uniform signal coverage in confined spaces like tunnels, mines, and buildings. Their easy scalability and integration with modern systems, like Multiple Input Multiple Output (MIMO), make them ideal for environments requiring reliable and consistent connectivity. However, using optical fiber as a radiating cable has never been investigated before. This may seem infeasible at first sight. However, our experimental study shows otherwise. We measured light leaking from a bent optical fiber transmitter. We also derived closed-form formulas to describe the amount of leakage energy and found that this energy exponentially varies with the square of the curvature radius. This allows us to design an Optical Leaky Feeder (OLF) transmission system for the first time. Then, we analytically show that a slotted optical fiber can be used as a MIMO receiver. The proposed system can ensure reliable, high-quality signal distribution even in challenging environments like tunnels, industrial settings, and dense urban areas.https://www.mdpi.com/2076-3417/15/6/2916optical leaky feederMIMObending lossoptical fiber
spellingShingle Hasan Farahneh
Jamal S. Rahhal
Dia I. Abualnadi
Ibrahim Mansour
Ahmad K. Atieh
Xavier Fernando
An Experimental Study of Radiated Energy from an Optical Fiber and the Potential for an Optical MIMO System
Applied Sciences
optical leaky feeder
MIMO
bending loss
optical fiber
title An Experimental Study of Radiated Energy from an Optical Fiber and the Potential for an Optical MIMO System
title_full An Experimental Study of Radiated Energy from an Optical Fiber and the Potential for an Optical MIMO System
title_fullStr An Experimental Study of Radiated Energy from an Optical Fiber and the Potential for an Optical MIMO System
title_full_unstemmed An Experimental Study of Radiated Energy from an Optical Fiber and the Potential for an Optical MIMO System
title_short An Experimental Study of Radiated Energy from an Optical Fiber and the Potential for an Optical MIMO System
title_sort experimental study of radiated energy from an optical fiber and the potential for an optical mimo system
topic optical leaky feeder
MIMO
bending loss
optical fiber
url https://www.mdpi.com/2076-3417/15/6/2916
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